290057790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20441}}^1$

素因数の和:20505

約数の個数: 64

約数和(自身を含む): 777123072

約数和(自身を除く): 487065282

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1419, 2365, 2838, 4730, 7095, 14190, 20441, 40882, 61323, 102205, 122646, 204410, 224851, 306615, 449702, 613230, 674553, 878963, 1124255, 1349106, 1757926, 2248510, 2636889, 3372765, 4394815, 5273778, 6745530, 8789630, 9668593, 13184445, 19337186, 26368890, 29005779, 48342965, 58011558, 96685930, 145028895, 290057790]

約数ペア:

[(1, 290057790), (2, 145028895), (3, 96685930), (5, 58011558), (6, 48342965), (10, 29005779), (11, 26368890), (15, 19337186), (22, 13184445), (30, 9668593), (33, 8789630), (43, 6745530), (55, 5273778), (66, 4394815), (86, 3372765), (110, 2636889), (129, 2248510), (165, 1757926), (215, 1349106), (258, 1124255), (330, 878963), (430, 674553), (473, 613230), (645, 449702), (946, 306615), (1290, 224851), (1419, 204410), (2365, 122646), (2838, 102205), (4730, 61323), (7095, 40882), (14190, 20441)]